Quantum-Si (QSI) Options Chain & Prices $1.19 0.00 (0.00%) Closing price 05/29/2026 04:00 PM EasternExtended Trading$1.16 -0.02 (-2.10%) As of 05:54 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock QSI Put and Call Options List 1/15/2027 10/16/2026 7/17/2026 7/10/2026 7/2/2026 6/26/2026 6/18/2026 6/12/2026 6/5/2026 Options Date Put and Call Options Put Options Call Options Options Type All In The Money Out of The Money Moneyness With Volume Without Volume All Volume Strike Price Min Strike Price Max Export ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades6/5/2026$1.00$0.226Call74 - 181439(-10)176.83% (+9.83%)0.79624710End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Transcat Options Cytek Biosciences Options Standard BioTools Options Nautilus Biotechnology Options 908 Devices Options inTEST Options Quanterix Options Seer Options Data I/O Options ClearSign Technologies Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:QSI) was last updated on 6/1/2026 by MarketBeat.com Staff. From Our PartnersThe 1934 playbookIn 1934, a legal government maneuver transferred billions in wealth overnight. 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